Add 45/28 and 56/40
1st number: 1 17/28, 2nd number: 1 16/40
45/28 + 56/40 is 421/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
45/28 = 45 × 10/28 × 10 = 450/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
56/40 = 56 × 7/40 × 7 = 392/280 - Add the two like fractions:
450/280 + 392/280 = 450 + 392/280 = 842/280 - 842/280 simplified gives 421/140
- So, 45/28 + 56/40 = 421/140
In mixed form: 31/140
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